EP0301026A1 - Glass block panel construction and device for use in the same - Google Patents

Glass block panel construction and device for use in the same

Info

Publication number
EP0301026A1
EP0301026A1 EP87902892A EP87902892A EP0301026A1 EP 0301026 A1 EP0301026 A1 EP 0301026A1 EP 87902892 A EP87902892 A EP 87902892A EP 87902892 A EP87902892 A EP 87902892A EP 0301026 A1 EP0301026 A1 EP 0301026A1
Authority
EP
European Patent Office
Prior art keywords
blocks
connector
width
height
block
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP87902892A
Other languages
German (de)
French (fr)
Other versions
EP0301026A4 (en
Inventor
Emil Mayer
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of EP0301026A1 publication Critical patent/EP0301026A1/en
Publication of EP0301026A4 publication Critical patent/EP0301026A4/en
Withdrawn legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
    • E04G21/14—Conveying or assembling building elements
    • E04G21/16—Tools or apparatus
    • E04G21/18—Adjusting tools; Templates
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C1/00—Building elements of block or other shape for the construction of parts of buildings
    • E04C1/42—Building elements of block or other shape for the construction of parts of buildings of glass or other transparent material
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
    • E04B2/02—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls built-up from layers of building elements
    • E04B2/04—Walls having neither cavities between, nor in, the solid elements
    • E04B2/06—Walls having neither cavities between, nor in, the solid elements using elements having specially-designed means for stabilising the position
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
    • E04B2/02—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls built-up from layers of building elements
    • E04B2002/0256—Special features of building elements
    • E04B2002/028—Spacers between building elements
    • E04B2002/0282—Separate spacers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B2200/00—Constructional details of connections not covered for in other groups of this subclass
    • F16B2200/67—Rigid angle couplings

Definitions

  • This invention relates to walls or panels of glass blocks and to devices and ⁇ ethods used in constructing such walls or panels. More particularly, the invention relates to architectural glass block walls or panels containing connectors which facilitate construction and provide enhanced structural integrity and strength to . the wall or panel.
  • the terms "wall” and “panel” are used interchangeably herein and each connotes the other as well as partitions, windows and other structures for which architectural glass blocks have heretofore been used.
  • Glass blocks are architecturally favored as a construction material from the standpoint of their usefulness in forming panels having an aesthetically pleasing appearance, thermal and sound insulating ability, weather resistance coupled with low maintenance requirements, resistance to vandalism and forced entry, and ability to transmit light to virtually any desired degree to provide optimum illumination.
  • glass blocks are formed by fusing together two halves of pressed glass which results in an upstanding central projection or ridge around the middle of the circumference of the block.
  • glass blocks are assembled in a panel on-site using mortar, cement, grout, or caulking material as is the practice with regular bricks or cement blocks. Such panels can be also be pre-assembled elsewhere and shipped to the job site.
  • non-porous, non-absorbent surfaces of glass blocks do not permit the formation of a strong bond with mortar, and several schemes have been devised to overcome this drawback.
  • the circumferential surfaces of some glass blocks are roughened by the manufacturer; also, resinous coatings have been applied to such surfaces to which the mortar used in setting the blocks can better adhere.
  • glass block panels despite their architectural advantages, are often avoided by builders and others who must pay the relatively high labor cost in constructing them.
  • Another object is to provide glass block panels of novel and improved construction compared to glass block panels made previously.
  • Yet another object is to provide a novel method for constructing glass block panels which is faster, easier and more economical than methods heretofore used and which results in the advantageous glass block panels of the , present invention.
  • the foregoing objects are achieved according to the present invention one aspect of which is a connector for glass blocks for use in forming an architectural wall or panel of said blocks.
  • the connectors are inserted between the blocks as they are laid up and provide securement in a width and height direction.
  • the connectors impart a structural rigidity, resilience and reinforcement to the panel complementary to the mortar so that the courses and tiers of blocks can be more readily secured in accurate alignment and with uniform spacing.
  • the connector in one of its forms wherein the connector can be used in constructing flat walls or panels, the connector comprises a pair of rigid, interlocked, elongated, rectilinear members.
  • Each member has two spaced, parallel, planar opposite surfaces, a longitudinal groove in each surface, and ah open slot perpendicular to the longitudinal direction and extending to the lateral center of the member.
  • surface includes a surface as such, as well as elements which define such surfaces as illustrated, for example, in FIGS. 5 and 6) .
  • Each member can thus be disposed or fitted within the slot -of ' the other member.
  • the grooves in each member are • laterally centered, i.e., each groove is centered-relative to the width of the member.
  • the slot in each member is preferably longitudinally centered, i.e., is located midway along the length of the member.
  • the slot in one of the members should be located at or near the end of the member and the slot in the other member is preferably directed midway along the length of the member (i.e., longitudinally centered) so that the connector has a "T" configuration.
  • Another form of the connector which is particularly useful " in " constructing glass block walls or panels which are curved, comprises a pair of rigid, interlocked, elongated members one of which has two spaced, parallel planar opposite surfaces; the other member is tapered in the sense that it has two spaced, non- parallel, laterally converging, planar opposite surfaces.
  • Each member has a longitudinal groove, preferably laterally centered, in each surface and an open slot, as described in the preceding paragraph. Each member can thus be disposed or fitted within the slot of the other member.
  • the connector can be made of any rigid material (e.g., wood, plastic, metal, glass, ceramic).
  • plastics e.g., polystyrene, rubber-modified polystyrene (also known as "impact polystyrene* or "high impact polystyrene") , polycarbonate, acrylic, nylon, and the like, are preferred because of their desirable mechanical properties (e.g., stiffness and compressive strength) , resistance to decomposition, availability in a variety of colors and degrees of transparency, and relatively low material and fabrication costs.
  • c T e simple geometry of the connectors facilitates fabrication by means that will become readily apparent to those skilled in the art having the benefit of the present disclosure " before them.
  • the connectors can be fabricated in one piece rather than as separate interlockable members, each member being thereby integrally molded with the other member to form the connector as a single article of manufacture.
  • fabrication of the connector as a single piece can be conveniently carried out by injecting molding.
  • connectors that abut a sill or jamb can, if desired, be made conveniently from a full connector by simply cutting off half of one member; the other member, which abuts the sill or jamb, remains intact.
  • an architectural wall or panel which can be flat or curved or which can have separate flat and curved portions, comprises a plurality of uniformly spaced glass blocks each having a height, width and thickness and a ridge around the middle of its circumference, and a plurality of connectors connecting the blocks.
  • Each connector comprises a pair of rigid, interlocked, elongated members, the length of each member being less than the shorter of the height or width of a block and the width of each member being less than the thickness of the block.
  • the thickness of the member i.e., the distance between its surfaces, determines the spacing between adjacent blocks.
  • the longitudinal groove in said member is at least as wide and as deep as, and preferably wider and deeper than, the width and height, respectively, of the circumferential ridge on the block, the connector • ⁇ being otherwise constituted as described hereinabove.
  • the connectors are disposed or located one each at an intersection of the corners of and in abutment with a plurality of blocks.
  • Each longitudinal groove in the connector members engages a ridge on a block to give lateral stability to the wall or panel; in the -case of curved walls or panels containing connectors having a member with non-parallel surfaces, the groove in-such member is perpendicular to the radius and arc of curvature of the wall or panel.
  • an adhesive such as a silicone caulking compound to secure the surfaces of each connector to the blocks with which they abut.
  • an exceptional degree of flexural strength is imparted to the overall panel structure. This facilitates filling the spaces between the blocks with mortar to embed and conceal ; the connector within the mortar thereby to seal the wall or panel, e.g., against sound and weather.
  • a method of forming the aforesaid wall or panel comprises connecting the blocks by interposing connectors as described herein ⁇ above, in the spaces between and in abutment with adjacent blocks in the manner described hereinabove. It is preferred to first lay up the entire panel with glass blocks and connectors using silicone caulking compound or the like as an adhesive between the connectors and glass blocks, and thereafter apply a mortar such as Portland cement grouting to the spaces between the blocks, to complete the structure. If the mortar is applied to the glass blocks as the courses are laid, a less satisfactory result is likely because the mortar may interfere with proper mating and abutment of the connectors with the blocks. 4. DESCRIPTION OF THE DRAWINGS
  • FIG. 1 is an elevational view in perspective of a representative portion of a flat wall or panel of glass block construction according to the invention. . ' *-
  • FIG. 2 is an elevational view in perspective of a representative portion of a glass block wall or panel of curved construction according to the invention
  • FIG. 3A is an elevational view in perspective of a connector according to the invention which is useful for constructing walls or panels of the type shown in FIG. 1;
  • FIGS. 3B and 3C are elevational views in perspective of the two members which are fitted or interlocked to form the connector shown in FIG. 3A;
  • FIG. 4 is an elevational view in perspective of ⁇ a connector according to the invention which is useful for constructing curved walls or panels of the type shown in FIG. 2;
  • FIGS. 4B and 4C are elevational views in perspective of the two members which are fitted or interlocked to form the connector shown in FIG. 4A.
  • FIG. 5 is an elevational view in perspective of a connector according to the invention which is useful for constructing walls or panels of the type shown in FIG. 1 and which is injection molded as a single piece of plastic;
  • FIG. 6 is an elevational view in perspective of a connector according to the invention which is useful in constructing curved walls or panels of the type shown in FIG. 2 and which is injection molded as a single piece of plastic.
  • a representative portion 1 of a flat panel is comprised of glass blocks 3, 5, 6 and 7 which are available in a variety of sizes from Pittsburgh Corning Corporation of Pittsburgh, Pennsylvania and from Westerwald AG of Wirges, Germany.
  • the size of each block is expressed in terms of its thickness 9, height 11, and width 13.
  • Standard sizes for glass blocks include thicknesses of 3-1/8" and 3-7/8", and widths and Heights of 5-3/4" x 5-3/4" (6" nominal), 7-3/4" x 7-3/4" (S" “nominal) , 11-3/4" x 11-3/4" (12" nominal) , 3-3/4" x 7-3/4" (4". x 8" nominal), and 5-3/4" x 7-3/4" (6" x 8" nominal).
  • each block has a ridge 15 around the center of the circumference and edges 17 and 19 which extend beyond the surface 21 of the circumference.
  • the surface 21 of the circumference usually has a resinous coating or etched texture as determined by the manufacturer for the purpose of improving the bond between the mortar and the block and to control to some extent the transmission of light through the face 23 , of the block.
  • the spacing 25 between the edges of adjacent blocks and between the edges of a block and an adjacent sill or jamb is usually between about 1/4" and 5/8". In the panel of the present invention this is readily achieved by interposing between the blocks the connectors 27, 29, 30 and 31 of the present invention as shown in FIG. 1.
  • FIG. 1 also illustrates the feature of the invention wherein the panel is constructed initially using only blocks and connectors, preferably with an adhesive self-curing silicone caulking compound applied to the surface of the members of the connectors that will abut the circumferential surfaces of the glass blocks to obtain a self-supporting structure in which the connectors are load bearing.
  • the entire wall is thus assembled and then the mortar e.g. , Portland cement grouting, is applied to fill in all the spaces between the blocks to seal the panel and to embed the connectors entirely within the mortar so that the connectors cannot be seei.
  • the mortar e.g. , Portland cement grouting
  • Suitable mortars or grounting include those heretofore used in laying up glass blocks.
  • An exemplary grouting is made by slurrying a mixture of 1 part by volume Portland cement, 1/4 to 1/2 parts by volume lime, and sand equal to between about 2-1/4 and 3 times the volume of cement-plus-lime.
  • a waterproofing-agent can be applied or waterproof Portland Cement can be used.
  • suitable mortars, cements, grouts and caulking materials will suggest themselves to those skilled in the masonry art having the benifit of the present disclosure before them.
  • each member constituting the connectors is less than the width or height of a glass block with which it abuts makes it possible to establish the mortar as an uninterrupted continuum or matrix throughout the panel.
  • the finished ⁇ panel is thus obtained in a fraction of the time and with a better workmanship - like appearance than glass block panels made heretofore.
  • connector 33 suitable for use in the glass block panel of FIG. 1 is comprised of identically shaped rigid, elongated, rectilinear members 35 and 36.
  • Each member is typically about 3 inches long and about 2 inches wide and has two spaced, parallel, planar opposite surfaces 37 and 39, a longitudinal groove 41 about 1/8" deep in each surface, and an open slot 43 about 3/8" to about 1/2" wide and perpendicular to the longitudinal direction and extending to the lateral center of the member.
  • Each member is about 3/8" or about 1/2" thick depending on the desired spacing of the blocks and corresponding to the width of the slot and can thus be disposed or fitted within the slot of the other member. As shown in FIGS.
  • the grooves in each member are tapered (e.g., from about 1/2" to about 3/8" for better engagement with the ridge on the block) and laterally centered, i.e., each groove is centered relative to the width of the member.
  • the slot is preferably longitudinally centered, i.e., is located midway along the length of the member.
  • the slot in one of the members should be located at or near the end of the member and the slot in the other member is preferably located midway along the length of the member (i.e., longitudinally centered).
  • FIG. 2 illustrates a representative portion 45 of a curved wall or panel of the invention.
  • the curved wall can be constructed of the same glass blocks described above with regard to FIG. 1 except that the spacing 47 between ⁇ blocks of adjacent vertical tiers is greater on the convex side of the panel then the corresponding spacing on the concave side.
  • Minimum radii of curvature have been established in the building trade for the various sizes of. glass blocks; such radii are generally such that the spacing between tiers on the concave side of the panel is no less than about 3/16" and no greater than about 5/8" on the convex side.
  • FIGS. 4A, 4B and 4C illustrate a connector 49 suitable for use in the curved glass block panel shown in FIG. 3.
  • the connector 49 comprises a pair of rigid, interlocked, elongated members 51 and 53 one of which (53) has two spaced, parallel planar opposite surfaces 55 and 57; the other member 51 is tapered in the sense that it has two spaced, non-parallel, laterally converging, planar opposite surfaces 59 and 61.
  • the angle of the taper matches the angle between adjacent vertical tiers of glass blocks which in turn determines the radius of curvature of the panel.
  • Each member 51 and 53 has a longitudinal groove 63, preferably laterally centered, in each surface and an open slot 65 as described in the preceding paragraph. Each member can thus be disposed or fitted within the slot of the other member.
  • FIGS. 5 and 6 illustrate connectors of the type which can be fabricated in one piece from injection molded plastic, e.g., impact polystyrene.
  • injection molded plastic e.g., impact polystyrene.
  • FIG. 5 bearing the suffix "a” correspond to the element numbers in FIGS. 3A-3C; the element numbers in FIG. 6 bearing the suffix "a" correspond to the element numbers in
  • FIGS. 4A-4C Although not shown as such, the connectors of
  • FIGS. 5 and 6 preferably have chamfered or filleted angles and curves throughout.
  • Connectors 33a and 49a differ from those illustrated FIGS. 3A and 4A respectively, in that they are fabricated in one piece rather than as separate interlockable members, and the surfaces are defined by element 37a, 39a, 55a, 57a, 59a and 61a rather than by entirely flat areas (as in FIGS. 3A and 4A) in order to facilitate injection molding by cutting down on the total thickness of the material.
  • the connectors having the dimension described hereinabove for FIGS. 3A-3C and 4A-4C would have a maximum material thickness of about 1/8".
  • the connectors are depicted in FIGS.
  • the vertical members are preferably tapered slightly (e.g., about 1*) in order to facilitate removal of the connector from the injection mold in which it is formed.
  • conenctors of the type shwon in FIGS 5 and 6 can be made in the form of interlockable members as shown in FIGS. 3A-3C and 4A-4C.

Abstract

Des parois (1) ou des panneaux architecturaux de carreaux en verre sont réalisés par l'assemblage d'une pluralité de carreaux (3, 5, 6, 7) à l'aide d'éléments de raccordement (27, 29, 30, 31, 33, 33a, 49, 49a) qui permettent la fixation et l'espacement régulier (25) des carreaux dans le sens de la largeur et de la hauteur. Chaque élément de raccordement comporte une paire d'organes allongés rigides (35, 36, 51, 53) possédant chacun une paire de surfaces opposées (37, 39, 55, 57) planes et espacées, et une rainure longitudinale (41, 63) centrée latéralement dans chaque surface. Chaque organe est assemblé avec l'autre organe et chaque élément de raccordement est disposé à une intersection des coins d'une pluralité de carreaux et en appui contre ladite pluralité, chaque rainure longitudinale s'engageant dans une moulure (15) qui s'étend autour de la circonférence de chaque carreau. Les éléments de raccordement peuvent être fixés au carreau à l'aide d'un composé adhésif, par exemple une composition de calfatage su silicone durcissable, et les espaces entre les carreaux peuvent être remplis de mortier, de mortier liquide ou d'un matériau de calfatage afin de sceller la paroi ou le panneau ainsi que de noyer et de dissimuler les éléments de raccordement dans le mortier.Walls (1) or architectural panels of glass tiles are produced by assembling a plurality of tiles (3, 5, 6, 7) using connecting elements (27, 29, 30, 31, 33, 33a, 49, 49a) which allow the fixing and regular spacing (25) of the tiles in the width and height direction. Each connecting member has a pair of rigid elongated members (35, 36, 51, 53) each having a pair of opposing surfaces (37, 39, 55, 57) that are planar and spaced apart, and a longitudinal groove (41, 63) laterally centered in each surface. Each member is assembled with the other member and each connecting element is arranged at an intersection of the corners of a plurality of tiles and in abutment against said plurality, each longitudinal groove engaging in a molding (15) which extends around the circumference of each tile. The connecting elements can be fixed to the tile using an adhesive compound, for example a caulking composition on curable silicone, and the spaces between the tiles can be filled with mortar, liquid mortar or a material of caulking to seal the wall or panel as well as to drown and conceal the connection elements in the mortar.

Description

GIASS BLOCK PANEL CONSTRUCTION AND DEVICE FOR USE IN THE SAME
2. BACKGROUND OF THE INVENTION
2.1 TECHNICAL FIELD
This invention relates to walls or panels of glass blocks and to devices and βethods used in constructing such walls or panels. More particularly, the invention relates to architectural glass block walls or panels containing connectors which facilitate construction and provide enhanced structural integrity and strength to . the wall or panel. The terms "wall" and "panel" are used interchangeably herein and each connotes the other as well as partitions, windows and other structures for which architectural glass blocks have heretofore been used.
2.2 DESCRIPTION OF RELATED ART Glass blocks are architecturally favored as a construction material from the standpoint of their usefulness in forming panels having an aesthetically pleasing appearance, thermal and sound insulating ability, weather resistance coupled with low maintenance requirements, resistance to vandalism and forced entry, and ability to transmit light to virtually any desired degree to provide optimum illumination.
Most commonly used glass blocks, and the ones to •which this invention applies, are formed by fusing together two halves of pressed glass which results in an upstanding central projection or ridge around the middle of the circumference of the block. Ordinarily, glass blocks are assembled in a panel on-site using mortar, cement, grout, or caulking material as is the practice with regular bricks or cement blocks. Such panels can be also be pre-assembled elsewhere and shipped to the job site.
Unfortunately, the non-porous, non-absorbent surfaces of glass blocks do not permit the formation of a strong bond with mortar, and several schemes have been devised to overcome this drawback. For example, the circumferential surfaces of some glass blocks are roughened by the manufacturer; also, resinous coatings have been applied to such surfaces to which the mortar used in setting the blocks can better adhere.
In laying up glass blocks, greater care is needed . than with bricks or other types of masonry. Glass blocks are usually laid up in straight, horizontal courses and vertical tiers rather than overlapping as in the case of bricks, and it is important architecturally, aesthetically and structually, that the blocks be uniformly spaced, both horizontally and vertically. Also, because glass'"blocks are relatively heavy and since they do not absorb water from the mortar as do bricks or concrete blocks, the mortar should be used in a firmer mix to support the weight of the blocks. Moreover, since mortars that are suitable for use . in laying glass blocks are of the type which set slowly, only a few courses of blocks can be laid up at a time? otherwise, the weight of freshly laid blocks will tend to squeeze out the mortar between the lower courses, thus making it difficult to align the glass blocks properly. Special fast-setting mortars are sometimes used in order to' try to avoid this problem, but this is less desirable from a structural standpoint.
For all of these reasons, glass block panels, despite their architectural advantages, are often avoided by builders and others who must pay the relatively high labor cost in constructing them.
A number of efforts have been made over the years to facilitate the construction of glass block panels. These efforts generally have been aimed at providing spacing and reinforcement in the form of pins, spacers, anchors, and the like as shown in U.S. Patents 1,798,088; 1,868,236; 2,112,241; 2,227,842; 2,239,537; 2,527,985; 3,295,281; and 4,058,943. However, none of these methods has gained acceptance in the architectural profession or building trades, either because such methods are not applicable to glass blocks of conventional design, or because their use requires the exercise of skill beyond that possessed by the typical mason, or because they just don't work well enough or are not economical enough to justify their commercial use. 1 A need therefore exists for an innovative means to facilitate the laying of glass blocks, and for glass block panels and a method for constructing such panels which are more economical and of better quality than were previously attainable. V"
Accordingly, it is an object of present- invention to provide a means for facilitating the laying of glass blocks to form panels. _-_. -
Another object is to provide glass block panels of novel and improved construction compared to glass block panels made previously.
Yet another object is to provide a novel method for constructing glass block panels which is faster, easier and more economical than methods heretofore used and which results in the advantageous glass block panels of the , present invention.
These and other objects of the invention as well as a fuller understanding of the advantages thereof, can be had by reference to the following description and claims.
3. SUMMARY OF THE INVENTION
The foregoing objects are achieved according to the present invention one aspect of which is a connector for glass blocks for use in forming an architectural wall or panel of said blocks. The connectors are inserted between the blocks as they are laid up and provide securement in a width and height direction. The connectors impart a structural rigidity, resilience and reinforcement to the panel complementary to the mortar so that the courses and tiers of blocks can be more readily secured in accurate alignment and with uniform spacing.
In one of its forms wherein the connector can be used in constructing flat walls or panels, the connector comprises a pair of rigid, interlocked, elongated, rectilinear members. Each member has two spaced, parallel, planar opposite surfaces, a longitudinal groove in each surface, and ah open slot perpendicular to the longitudinal direction and extending to the lateral center of the member. (As used herein, term "surface" includes a surface as such, as well as elements which define such surfaces as illustrated, for example, in FIGS. 5 and 6) . Each member can thus be disposed or fitted within the slot -of'the other member. Preferably, the grooves in each member are • laterally centered, i.e., each groove is centered-relative to the width of the member. When the connector is to be used to join four blocks at a common intersection, e.g., within the boundaries of the wall or panel, the slot in each member is preferably longitudinally centered, i.e., is located midway along the length of the member. When the connector is to be used to join two blocks at a common intersection, e.g., along the edge of the panel where it > meets a sill or jamb, the slot in one of the members should be located at or near the end of the member and the slot in the other member is preferably directed midway along the length of the member (i.e., longitudinally centered) so that the connector has a "T" configuration.
Another form of the connector, which is particularly useful "in "constructing glass block walls or panels which are curved, comprises a pair of rigid, interlocked, elongated members one of which has two spaced, parallel planar opposite surfaces; the other member is tapered in the sense that it has two spaced, non- parallel, laterally converging, planar opposite surfaces. Each member has a longitudinal groove, preferably laterally centered, in each surface and an open slot, as described in the preceding paragraph. Each member can thus be disposed or fitted within the slot of the other member.
The connector can be made of any rigid material (e.g., wood, plastic, metal, glass, ceramic). Among these materials, plastics, e.g., polystyrene, rubber-modified polystyrene (also known as "impact polystyrene* or "high impact polystyrene") , polycarbonate, acrylic, nylon, and the like, are preferred because of their desirable mechanical properties (e.g., stiffness and compressive strength) , resistance to decomposition, availability in a variety of colors and degrees of transparency, and relatively low material and fabrication costs. cT e simple geometry of the connectors facilitates fabrication by means that will become readily apparent to those skilled in the art having the benefit of the present disclosure"before them. In this regard, the connectors can be fabricated in one piece rather than as separate interlockable members, each member being thereby integrally molded with the other member to form the connector as a single article of manufacture. In the case of connectors that are made of plastic, such fabrication of the connector as a single piece can be conveniently carried out by injecting molding.. Also, connectors that abut a sill or jamb can, if desired, be made conveniently from a full connector by simply cutting off half of one member; the other member, which abuts the sill or jamb, remains intact.
In another aspect of the invention, an architectural wall or panel which can be flat or curved or which can have separate flat and curved portions, comprises a plurality of uniformly spaced glass blocks each having a height, width and thickness and a ridge around the middle of its circumference, and a plurality of connectors connecting the blocks. Each connector comprises a pair of rigid, interlocked, elongated members, the length of each member being less than the shorter of the height or width of a block and the width of each member being less than the thickness of the block. The thickness of the member, i.e., the distance between its surfaces, determines the spacing between adjacent blocks. To facilitate mating of the connector with the block, the longitudinal groove in said member is at least as wide and as deep as, and preferably wider and deeper than, the width and height, respectively, of the circumferential ridge on the block, the connector • \ being otherwise constituted as described hereinabove. The connectors are disposed or located one each at an intersection of the corners of and in abutment with a plurality of blocks. Each longitudinal groove in the connector members engages a ridge on a block to give lateral stability to the wall or panel; in the -case of curved walls or panels containing connectors having a member with non-parallel surfaces, the groove in-such member is perpendicular to the radius and arc of curvature of the wall or panel. Further, by using an adhesive such as a silicone caulking compound to secure the surfaces of each connector to the blocks with which they abut, an exceptional degree of flexural strength is imparted to the overall panel structure. This facilitates filling the spaces between the blocks with mortar to embed and conceal ; the connector within the mortar thereby to seal the wall or panel, e.g., against sound and weather.
In a third aspect of the invention, a method of forming the aforesaid wall or panel comprises connecting the blocks by interposing connectors as described herein¬ above, in the spaces between and in abutment with adjacent blocks in the manner described hereinabove. It is preferred to first lay up the entire panel with glass blocks and connectors using silicone caulking compound or the like as an adhesive between the connectors and glass blocks, and thereafter apply a mortar such as Portland cement grouting to the spaces between the blocks, to complete the structure. If the mortar is applied to the glass blocks as the courses are laid, a less satisfactory result is likely because the mortar may interfere with proper mating and abutment of the connectors with the blocks. 4. DESCRIPTION OF THE DRAWINGS
Referring to the drawings,
FIG. 1 is an elevational view in perspective of a representative portion of a flat wall or panel of glass block construction according to the invention; .. '*-
FIG. 2 is an elevational view in perspective of a representative portion of a glass block wall or panel of curved construction according to the invention;
FIG. 3A is an elevational view in perspective of a connector according to the invention which is useful for constructing walls or panels of the type shown in FIG. 1;
FIGS. 3B and 3C are elevational views in perspective of the two members which are fitted or interlocked to form the connector shown in FIG. 3A;
FIG. 4 is an elevational view in perspective of ■ a connector according to the invention which is useful for constructing curved walls or panels of the type shown in FIG. 2;
FIGS. 4B and 4C are elevational views in perspective of the two members which are fitted or interlocked to form the connector shown in FIG. 4A.
FIG. 5 is an elevational view in perspective of a connector according to the invention which is useful for constructing walls or panels of the type shown in FIG. 1 and which is injection molded as a single piece of plastic; and
FIG. 6 is an elevational view in perspective of a connector according to the invention which is useful in constructing curved walls or panels of the type shown in FIG. 2 and which is injection molded as a single piece of plastic.
5. DESCRIPTION OF THE PREFERRED EMBODIMENTS
Referring to FIG. 1, a representative portion 1 of a flat panel is comprised of glass blocks 3, 5, 6 and 7 which are available in a variety of sizes from Pittsburgh Corning Corporation of Pittsburgh, Pennsylvania and from Westerwald AG of Wirges, Germany. The size of each block is expressed in terms of its thickness 9, height 11, and width 13. Standard sizes for glass blocks include thicknesses of 3-1/8" and 3-7/8", and widths and Heights of 5-3/4" x 5-3/4" (6" nominal), 7-3/4" x 7-3/4" (S" "nominal) , 11-3/4" x 11-3/4" (12" nominal) , 3-3/4" x 7-3/4" (4". x 8" nominal), and 5-3/4" x 7-3/4" (6" x 8" nominal). :-Each block has a ridge 15 around the center of the circumference and edges 17 and 19 which extend beyond the surface 21 of the circumference. The surface 21 of the circumference usually has a resinous coating or etched texture as determined by the manufacturer for the purpose of improving the bond between the mortar and the block and to control to some extent the transmission of light through the face 23 , of the block. As in conventional glass block panels, the spacing 25 between the edges of adjacent blocks and between the edges of a block and an adjacent sill or jamb is usually between about 1/4" and 5/8". In the panel of the present invention this is readily achieved by interposing between the blocks the connectors 27, 29, 30 and 31 of the present invention as shown in FIG. 1. "T" shaped connectors 27 and 29 are designed to abut against a jamb or sill; connectors 30 and 31 illustrate the joining of four blocks at a common intersection. FIG. 1. also illustrates the feature of the invention wherein the panel is constructed initially using only blocks and connectors, preferably with an adhesive self-curing silicone caulking compound applied to the surface of the members of the connectors that will abut the circumferential surfaces of the glass blocks to obtain a self-supporting structure in which the connectors are load bearing. The entire wall is thus assembled and then the mortar e.g. , Portland cement grouting, is applied to fill in all the spaces between the blocks to seal the panel and to embed the connectors entirely within the mortar so that the connectors cannot be seei. Suitable mortars or grounting include those heretofore used in laying up glass blocks. An exemplary grouting is made by slurrying a mixture of 1 part by volume Portland cement, 1/4 to 1/2 parts by volume lime, and sand equal to between about 2-1/4 and 3 times the volume of cement-plus-lime. If desired, a waterproofing-agent can be applied or waterproof Portland Cement can be used. -Other suitable mortars, cements, grouts and caulking materials will suggest themselves to those skilled in the masonry art having the benifit of the present disclosure before them. In this regard, the fact that the length of each member constituting the connectors is less than the width or height of a glass block with which it abuts makes it possible to establish the mortar as an uninterrupted continuum or matrix throughout the panel. The finished ι panel is thus obtained in a fraction of the time and with a better workmanship - like appearance than glass block panels made heretofore.
Referring to FIGS. 3A, 3B and 3C, connector 33 suitable for use in the glass block panel of FIG. 1 is comprised of identically shaped rigid, elongated, rectilinear members 35 and 36. Each member is typically about 3 inches long and about 2 inches wide and has two spaced, parallel, planar opposite surfaces 37 and 39, a longitudinal groove 41 about 1/8" deep in each surface, and an open slot 43 about 3/8" to about 1/2" wide and perpendicular to the longitudinal direction and extending to the lateral center of the member. Each member is about 3/8" or about 1/2" thick depending on the desired spacing of the blocks and corresponding to the width of the slot and can thus be disposed or fitted within the slot of the other member. As shown in FIGS. 3B and 3C, the grooves in each member are tapered (e.g., from about 1/2" to about 3/8" for better engagement with the ridge on the block) and laterally centered, i.e., each groove is centered relative to the width of the member. Also, as shown in FIGS. 3B and 3C, when the connector is to be used to join four blocks at a common intersection, e.g., within the boundaries of the wall or panel, the slot is preferably longitudinally centered, i.e., is located midway along the length of the member. As shown by elements 25 and 27 in FIG...1-where the connector is to be used to join two blocks at a common intersection, e.g., along the edge of the panel where it meets a sill or jamb, the slot in one of the members should be located at or near the end of the member and the slot in the other member is preferably located midway along the length of the member (i.e., longitudinally centered).
FIG. 2 illustrates a representative portion 45 of a curved wall or panel of the invention. The curved wall can be constructed of the same glass blocks described above with regard to FIG. 1 except that the spacing 47 between < blocks of adjacent vertical tiers is greater on the convex side of the panel then the corresponding spacing on the concave side. Minimum radii of curvature have been established in the building trade for the various sizes of. glass blocks; such radii are generally such that the spacing between tiers on the concave side of the panel is no less than about 3/16" and no greater than about 5/8" on the convex side.
FIGS. 4A, 4B and 4C illustrate a connector 49 suitable for use in the curved glass block panel shown in FIG. 3. The connector 49 comprises a pair of rigid, interlocked, elongated members 51 and 53 one of which (53) has two spaced, parallel planar opposite surfaces 55 and 57; the other member 51 is tapered in the sense that it has two spaced, non-parallel, laterally converging, planar opposite surfaces 59 and 61. The angle of the taper matches the angle between adjacent vertical tiers of glass blocks which in turn determines the radius of curvature of the panel. Each member 51 and 53 has a longitudinal groove 63, preferably laterally centered, in each surface and an open slot 65 as described in the preceding paragraph. Each member can thus be disposed or fitted within the slot of the other member.
FIGS. 5 and 6 illustrate connectors of the type which can be fabricated in one piece from injection molded plastic, e.g., impact polystyrene. The element-numbers in
FIG. 5 bearing the suffix "a" correspond to the element numbers in FIGS. 3A-3C; the element numbers in FIG. 6 bearing the suffix "a" correspond to the element numbers in
FIGS. 4A-4C. Although not shown as such, the connectors of
FIGS. 5 and 6 preferably have chamfered or filleted angles and curves throughout. Connectors 33a and 49a differ from those illustrated FIGS. 3A and 4A respectively, in that they are fabricated in one piece rather than as separate interlockable members, and the surfaces are defined by element 37a, 39a, 55a, 57a, 59a and 61a rather than by entirely flat areas (as in FIGS. 3A and 4A) in order to facilitate injection molding by cutting down on the total thickness of the material. Thus, in the embodiments show in FIGS. 5 and 6, the connectors having the dimension described hereinabove for FIGS. 3A-3C and 4A-4C would have a maximum material thickness of about 1/8". Also, the connectors are depicted in FIGS. 5 and 6 in the orientation in which they are installed between glass blocks, i.e., the cross-elements are placed horizontally to take advantage of the fact that they impart load-bearing capacity to the connector. Although not shown, the vertical members are preferably tapered slightly (e.g., about 1*) in order to facilitate removal of the connector from the injection mold in which it is formed. Also, conenctors of the type shwon in FIGS 5 and 6 can be made in the form of interlockable members as shown in FIGS. 3A-3C and 4A-4C.
The foregoing description is intended to illustrate the invention, and it is understood that changes and variations can be made in the foregoing embodiments without departing from the spirit and scope of the invention which is defined in the following claims.

Claims

6. CLAIMSI claim:
1. A connector for glass blocks for use. in forming a panel of said blocks, comprising a pair of rigid, interlocked, elongated, rectilinear members each member having two spaced, parallel planar opposite surfaces, a longitudinal groove in each surface, and an open slot perpendicular to the longitudinal direction and extending to the lateral center of the member, each member being interlockably disposed within the slot of the other member.
2. A connector according to claim 1 wherein the grooves are laterally centered. !
3. A connector according to claim 2 wherein the slot in each member is longitudinally centered.
4. A connector according to claim 2 wherein the slot in one member is located near the end of said member and the slot in the other member is longitudinally' centered.
5. A connector for glass blocks for use in forming a curved panel of said blocks, comprising a pair of rigid, interlocked, elongated members one of which has two spaced, parallel, planar opposite surfaces and the other member having two spaced, non-parallel, laterally converging planar opposite surfaces, each member having a longitudinal groove in each surface and an open slot perpendicular to the longitudinal direction and extending to the lateral center of the member, each member being interlockably disposed within the slot of the other member. 15
6. A connector according to claim 5 wherein the grooves are laterally centered.
7. A connector according to claim 6 wherein the slot in each member is longitudinally centered. - "
8. A connector according to claim 6 wherein the slot in one member is located near the end of said member and the lot in the other member is longitudinally centered.
9. A panel comprising: a plurality of uniformly spaced glass blocks each having a height, width and thickness and a ridge around its circumference; and a plurality of connectors for said blocks, each . connector comprising a pair of rigid, interlocked, elongated rectilinear members, each member abutting the height or width of each of at least two adjacent blocks the length of each member being less than said height or width and the lateral width of each member being less than the thickness of the block, aaid_..mej_ιber having two spaced, parallel, planar opposite surfaces, a longitudinal groove in each surface at least as wide and as deep as the width and height, respectively, of the ridge on the block, and an open slot perpendicular to the longitudinal direction and extending to the lateral center of the member, each member being interlockably disposed within the slot of the other member, and each connector being disposed at an intersection of the corners of and in abutment with a plurality of blocks with each longitudinal groove engaging the ridge on a block.
10. A panel according to claim 9 wherein the connectors are secured to the blocks with an adhesive. .
11.' A panel according to claim 10 wherein the spaces between the blocks are filled with mortar.
12. A curved panel having a radius of curvature, comprising: . L a plurality of uniformly spaced glass- blocks each having a height, width and thickness and a ridge around its circumference, and a plurality of connectors for said blocks, each connector comprising a pair of rigid, interlocked longitudinal members each member abutting the height or width of each of at least two adjacent blocks, the length of each member being less than said height or width and the lateral width of each member being less than the thickness of a block, one member the having two spaced, parallel planar opposite surfaces and the other member having two spaced, non-parallel, laterally converging planar opposite surfaces, each member having a longitudinal groove in each surface at least as wide and as deep as the width and the height, respectively, of the ridge on the block, and an open slot perpendicular to the longitudinal direction and - extending to the lateral center of the member, each member being interlockably disposed within the slot of the other member, each connector being disposed at an intersection of the corners of and in abutment with a plurality of blocks with each longitudinal groove engaging the ridge on a block and the longitudinal groove in the member of each connector that has the non-parallel surfaces being perpendicular to the radius of curvature of the panel.
13. A panel according to claim 12 wherein the connectors are secured to the blocks with an adhesive.
14. A panel according to claim 13 wherein the spaces between the blocks are filled with mortar.
15. A method of forming a panel of uniformly spaced glass blocks each having a height, width and thickness and a ridge around its circumference, comprising connecting the blocks by interposing in the space^between and in contact with adjacent blocks a connector ^comprising a pair of rigid, interlocked, elongated rectilinear members, each member abutting the height or width of each of at least two adjacent blocks, the length of each member being less than said height or width and the lateral width . of each member being less than the thickness of the block, each member having two spaced, parallel, planar opposite surfaces, a longitudinal groove in each surface at least as wide and as deep as the width and the height, respectively, of the ridge on the block, and an open slot perpendicular to the longitudinal direction and extending to the lateral . center of the member, and each member being interlockably disposed within the slot of the other member, each connector being disposed at an intersection of the corners of and in abutment with two or more blocks with each longitudinal groove engaging the ridge on a block.
16. A method according to claim 15 wherein the connectors are secured to with the blocks by an adhesive.
17. A method according to claim 16 including the step of filling the spaces between the blocks with mortar.
18. A method of forming a curved panel having a radius of curvature and being comprised of uniformly spaced glass blocks each having a height, width and thickness and a ridge around its circumference, comprising connecting the locks by interposing in the space between and in abutment with adjacent blocks a connector comprising a pair of rigid, interlocked elongated members each member abutting the height or width of at least two adjacent blocks, the length of said member being less than said height or width arid* the lateral width of each member being less than the thickness of the block, one member having two spaced, planar parallel opposite surfaces and the other member having two spaced, non-parallel, laterally converging planar opposite surfaces, each member having a longitudinal groove in each surface at least as wide and as deep as the width and height, respectively, of the ridge on the'block, and an open slot perpendicular to the longitudinal direction and extending to the lateral center of the member, each member being interlockably disposed within the slot of the other member, each connector being disposed at an intersection of the corners of and in abutment with two or more blocks with each longitudinal groove engaging the ridge on a block and the longitudinal groove in the member of each connector that has non-parallel surfaces beihgr ' ■ ■ •''*"■ perpendicular to the radius of curvature of the panel.
19. A method according to claim 18. wherein the connectors are secured to the blocks with an adhesive.
20. A method according to claim 19, wherein the spaces between the blocks are filled with mortar.
21. A connector for glass blocks for use in forming a panel of said blocks, comprising a pair of rigid, elongated, unitary rectilinear members each member having two spaced, parallel planar opposite surfaces, and a longitudinal groove in each surface, each member being integrally molded with the other member to form the connector as a single article.
22. A connector according to claim 21wherein the grooves are laterally centered.
23. A connector for glass blocks for use in forming a curved panel of said blocks, comprising a pair of rigid, interlocked, elongated, unitary members one of which has1 two spaced, parallel, planar opposite surfaces and the other member having two spaced, non-parallel, laterally converging planar opposite surfaces, each member having a longitudinal groove in each surface and each member being integrally molded with the other member to form the connector as a single article.
24. A connector according to claim 23 wherein the grooves are laterally centered.
25. A panel comprising: a plurality of uniformly spaced glass blocks each having a height, width and thickness and a ridge around its circumference; and a plurality of connectors for said blocks, each . connector comprising a pair of rigid, elongated, unitary rectilinear members, each member abutting the height or width of each of at least two adjacent blocks the length of each member being less than said height or width and the lateral width of each member being less than the thickness of the block, said member having two spaced, parallel-, planar opposite surfaces, and a longitudinal groove in each surface at least as wide and as deep as the width and height, respectively, of the ridge on the block, each member being integrally molded with the other member to form the connector as a signle article, and each connector being disposed at an intersection of the corners of and in abutment with a plurality of blocks with each longitudinal groove engaging the ridge on a block.
26. A panel according to claim 2 wherein the connectors are secured to the blocks with an adhesive.
27. A panel according to claim 26' wherein the spaces between the blocks are filled with mortar.
28. A curved panel having a radius of curvature, comprising: a plurality of uniformly spaced glass blocks each having a height, width and thickness and a ridge around its circumference, and a plurality of connectors for said blocks, each connector comprising a pair of rigid, unitary elongated members each member abutting the height or width of each of at least two adjacent blocks, the length of each member being less than said height or width and the lateral width of each member being less than the thickness of a block, one member the having two spaced,- parallel planar opposite surfaces and the other member having two spaced, non- parallel, laterally converging planar opposite surfaces, each member having a longitudinal groove in each surface at' least as wide and as deep as the width and the height, respectively, of the ridge on the-biock, and each member being integrally molded with the other member to form the connector as a single article, each connector being disposed at an intersection of the corners.of and in abutment with a plurality of blocks with eaehr longitudinal groove engaging the ridge on a block and the longitudinal groove in the member of each connector that has the non- parallel surfaces being perpendicular to the radius and arc of curvature of the panel.
29. A panel according to claim 23 wherein the connectors are secured to the blocks with an adhesive.
30. A panel according to claim 29/Wherein the spaces between the blocks are filled with mortar.
31. A method of forming a panel of uniformly spaced glass blocks each having a height, width and thickness and a ridge around its circumference, comprising connecting the blocks by interposing in the space between and* in contact with adjacent blocks a connector comprising a pair of rigid, elongated unitary rectilinear members, each member abutting the height or width of each of at least two adjacent blocks, the length of each member being less than said height or width and the lateral width of each member being less than the thickners of the block, each member having two spaced, parallel, planar opposite surfaces, a longitudinal groove in each surface at least as wide and as deep as the width and the height, respectively, of the ridge on the block, and each member being integrally molded with the other member to form the connector as a single article, each connector being disposed at an intersection of the corners of and in abutment with two or more blocks with each longitudinal groove engaging the ridge on a block.' • "* _ .
32. A method according to claim :31 wherein the connectors are secured to with the blocks by an adhesive.
33. A method according to claim 32 including the step of filling -the spaces between the blocks with mortar.
34. A method of forming a curved panel having a radius of curvature and being comprised of uniformly spaced glass blocks each having a height, width and thickness and a ridge around its circumference, comprising connecting the locks by interposing in the space between and in abutment with adjacent blocks a connector comprising a pair of rigid, unitary elongated members each member abutting the height or width of at least two adjacent blocks, the length of said member being less than said height or width and the lateral width of each member being less than the thickness of the block, one member having two spaced, planar parallel opposite surfaces and the other member having two spaced, non-parallel, laterally converging planar opposite surfaces, each member having a longitudinal groove in each • ._ surface at least as wide and as deep as the width and height, respectively, of the ridge on the block, each member being integrally molded with the other member, to form the connector as a single article, each connector being disposed at an intersection of the corners of and in abutment with two or more blocks with each longitudinal groove engaging the ridge on a block and the longitudinal groove in the member of each connector that has non- parallel surfaces being perpendicular to the radius and arc of curvature of the panel.
*
35." A method according to claim 34 wherein the connectors are secured to the blocks with an adhesive.
*
36. A method according to claim 35, wherein the J spaces between the blocks are .filled with mortar.
EP19870902892 1986-03-24 1987-03-10 Glass block panel construction and device for use in the same. Withdrawn EP0301026A4 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US84348386A 1986-03-24 1986-03-24
US843483 1986-03-24
US863664 1986-05-15
US06/863,664 US4774793A (en) 1986-03-24 1986-05-15 Glass block panel construction and device for use in same

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EP0301026A1 true EP0301026A1 (en) 1989-02-01
EP0301026A4 EP0301026A4 (en) 1989-04-04

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EP19870902892 Withdrawn EP0301026A4 (en) 1986-03-24 1987-03-10 Glass block panel construction and device for use in the same.

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US (1) US4774793A (en)
EP (1) EP0301026A4 (en)
KR (1) KR920002872B1 (en)
CN (2) CN1014439B (en)
AU (1) AU608220B2 (en)
BR (1) BR8707643A (en)
CA (1) CA1289718C (en)
DE (1) DE3630934A1 (en)
WO (1) WO1987005961A1 (en)

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AU7239687A (en) 1987-10-20
DE3630934A1 (en) 1987-10-01
US4774793A (en) 1988-10-04
AU608220B2 (en) 1991-03-28
CN1014439B (en) 1991-10-23
CN86106093A (en) 1987-10-07
CN87204836U (en) 1988-08-31
EP0301026A4 (en) 1989-04-04
WO1987005961A1 (en) 1987-10-08
KR920002872B1 (en) 1992-04-06
CA1289718C (en) 1991-10-01
KR880701311A (en) 1988-07-26
BR8707643A (en) 1989-03-14

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